Color

#4acf5b

#4acf5b
hex#4acf5b
rgbrgb(74, 207, 91)
hslhsl(128, 58%, 55%)
oklchoklch(0.757 0.195 145.5)
Closest name: Battletoad (#11cc55)Relative luminance 0.4684

Colors that go with #4acf5b

Blue, Charcoal and Royal Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#cf4abd

#7bcf4a · #4acf9e

#5b4acf · #cf5b4a

Split-complementary

Open in tool →

#9e4acf · #cf4a7b

#4a7bcf · #cf4abd · #cf9e4a

Contrast

#4acf5b as textRatioAAAA largeAAAFix
Aaon white
2.03:1failfailfail
  • AA: use #238530 as the text (4.7:1)
  • AAA: use #1b6525 as the text (7.16:1)
  • AA: or shift the background to #474747 (4.59:1)
  • AAA: or shift the background to #292929 (7.18:1)
Aaon black
10.37:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4acf5b as the background.

Brands using this color

mcpConnect your agent — build around #4acf5b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4acf5b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4acf5b-a2bea9-ac4edf-1f2d27-ecf1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md